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Tang W, Qiu T, Hu Z, Li Y, Yao R, Wang Y, Lang X, Tan H, Li Y, Jiang Q. Monodisperse Manganese-Vanadium-Oxo Clusters with Extraordinary Lithium Storage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2402616. [PMID: 38828766 DOI: 10.1002/advs.202402616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/18/2024] [Indexed: 06/05/2024]
Abstract
Although possessing well-defined nanostructures and excellent multi-electron redox properties, polyoxometalate clusters have poor intrinsic electrical conductivity and are prone to aggregation due to large surface energy, which makes them difficult to be fully utilized when applying as electrode materials for lithium-ion batteries. In this paper, monodisperse K7MnV13O38 (MnV13) clusters are achieved by rationally utilizing nano-sized high conductive carbon dots (CDs) as stabilizers. Benefiting from the fully exposed redox sites of MnV13 clusters (high utilization rate) and sufficient interfaces with carbon dots (extra interfacial energy storage), the optimized MnV13/10CDs anode delivers a high discharge capacity up to 1348 mAh g-1 at a current density of 0.1 A g-1 and exhibits superb rate/cycling capabilities. Density functional theory (DFT) calculations verify that ionic archway channels are formed between MnV13 and CDs, eliminating the bandgap and greatly improving the electron/ion conductivity of MnV13 and CDs. This paper paves a brand-new way for synthesis of monodisperse clusters and maximization of extra interfacial energy storage.
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Affiliation(s)
- Wensi Tang
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Tianyu Qiu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Zhiyuan Hu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Yingqi Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Ruiqi Yao
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Yonghui Wang
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Xingyou Lang
- Key Laboratory of Automobile Materials (Jilin University), Ministry of Education and School of Materials Science and Engineering, Jilin University, Changchun, 130024, China
| | - Huaqiao Tan
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Yangguang Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, China
| | - Qing Jiang
- Key Laboratory of Automobile Materials (Jilin University), Ministry of Education and School of Materials Science and Engineering, Jilin University, Changchun, 130024, China
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Kawa S, Kaur J, Knorke H, Warneke Z, Wadsack M, Rohdenburg M, Nierstenhöfer M, Jenne C, Kenttämaa H, Warneke J. Generation and reactivity of the fragment ion [B 12I 8S(CN)] - in the gas phase and on surfaces. Analyst 2024; 149:2573-2585. [PMID: 38469706 DOI: 10.1039/d3an02175k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Gaseous fragment ions generated in mass spectrometers may be employed as "building blocks" for the synthesis of novel molecules on surfaces using ion soft-landing. A fundamental understanding of the reactivity of the fragment ions is required to control bond formation of deposited fragments in surface layers. The fragment ion [B12X11]- (X = halogen) is formed by collision-induced dissociation (CID) from the precursor [B12X12]2- dianion. [B12X11]- is highly reactive and ion soft-landing experiments have shown that this ion binds to the alkyl chains of organic molecules on surfaces. In this work we investigate whether specific modifications of the precursor ion affect the chemical properties of the fragment ions to such an extent that attachment to functional groups of organic molecules on surfaces occurs and binding of alkyl chains is prevented. Therefore, a halogen substituent was replaced by a thiocyanate substituent. CID of the precursor [B12I11(SCN)]2- ion preferentially yields the fragment ion [B12I8S(CN)]-, which shows significantly altered reactivity compared to the fragment ions of [B12I12]2-. [B12I8S(CN)]- has a previously unknown structural element, wherein a sulfur atom bridges three boron atoms. Gas-phase reactions with different neutral reactants (cyclohexane, dimethyl sulfide, and dimethyl amine) accompanied by theoretical studies indicate that [B12I8S(CN)]- binds with higher selectivity to functional groups of organic molecules than fragment ions of [B12I12]2- (e.g., [B12I11]- and [B12I9]-). These findings were further confirmed by ion soft-landing experiments, which showed that [B12I8S(CN)]- ions attacked ester groups of adipates and phthalates, whereas [B12I11]- ions only bound to alkyl chains of the same reagents.
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Affiliation(s)
- Sebastian Kawa
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.
| | - Jaskiran Kaur
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Harald Knorke
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.
| | - Ziyan Warneke
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.
| | - Myriam Wadsack
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.
| | - Markus Rohdenburg
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.
| | - Marc Nierstenhöfer
- Anorganische Chemie, Fakultät für Mathematik und Naturwissenschaften, Bergische Universität Wuppertal, Gaußstr. 20, 42119, Wuppertal, Germany
| | - Carsten Jenne
- Anorganische Chemie, Fakultät für Mathematik und Naturwissenschaften, Bergische Universität Wuppertal, Gaußstr. 20, 42119, Wuppertal, Germany
| | - Hilkka Kenttämaa
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Jonas Warneke
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstr. 2, 04103, Leipzig, Germany.
- Leibniz Institute of Surface Engineering (IOM), Permoserstr. 15, 04318, Leipzig, Germany
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Das A, Samayoa-Oviedo HY, Mohapatra M, Basu S, Laskin J. Enhancing Energy Storage Capacity of 3D Carbon Electrodes Using Soft Landing of Molecular Redox Mediators. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311585. [PMID: 38576110 DOI: 10.1002/smll.202311585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/08/2024] [Indexed: 04/06/2024]
Abstract
The incorporation of redox-active species into the electric double layer is a powerful strategy for enhancing the energy density of supercapacitors. Polyoxometalates (POM) are a class of stable, redox-active species with multielectron activity, which is often used to tailor the properties of electrochemical interfaces. Traditional synthetic methods often result in interfaces containing a mixture of POM anions, unreactive counter ions, and neutral species. This leads to degradation in electrochemical performance due to aggregation and increased interfacial resistance. Another significant challenge is achieving the uniform and stable anchoring of POM anions on substrates to ensure the long-term stability of the electrochemical interface. These challenges are addressed by developing a mass spectrometry-based subambient deposition strategy for the selective deposition of POM anions onto engineered 3D porous carbon electrodes. Furthermore, positively charged functional groups are introduced on the electrode surface for efficient trapping of POM anions. This approach enables the deposition of purified POM anions uniformly through the pores of the 3D porous carbon electrode, resulting in unprecedented increase in the energy storage capacity of the electrodes. The study highlights the critical role of well-defined electrochemical interfaces in energy storage applications and offers a powerful method to achieve this through selective ion deposition.
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Affiliation(s)
- Arya Das
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, Odisha, 751013, India
- Department of Chemistry, Purdue University, West Lafayette, IN, 47906, USA
| | | | - Mamata Mohapatra
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, Odisha, 751013, India
| | - Suddhasatwa Basu
- CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, Odisha, 751013, India
| | - Julia Laskin
- Department of Chemistry, Purdue University, West Lafayette, IN, 47906, USA
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Lee JY, Li A, Prabhakaran V, Zhang X, Harrilal CPP, Kovarik L, Ibrahim YM, Smith RD, Garimella SV. Mobility Selective Ion Soft-Landing and Characterization Enabled Using Structures for Lossless Ion Manipulation. Anal Chem 2024; 96:3373-3381. [PMID: 38345945 PMCID: PMC11191849 DOI: 10.1021/acs.analchem.3c04328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
While conventional ion-soft landing uses the mass-to-charge (m/z) ratio to achieve molecular selection for deposition, here we demonstrate the use of Structures for Lossless Ion Manipulation (SLIM) for mobility-based ion selection and deposition. The dynamic rerouting capabilities of SLIM were leveraged to enable the rerouting of a selected range of mobilities to a different SLIM path (rather than MS) that terminated at a deposition surface. A selected mobility range from a phosphazene ion mixture was rerouted and deposited with a current pulse (∼150 pA) resembling its mobility peak. In addition, from a mixture of tetra-alkyl ammonium (TAA) ions containing chain lengths of C5-C8, selected chains (C6, C7) were collected on a surface, reconstituted into solution-phase, and subsequently analyzed with a SLIM-qToF to obtain an IMS/MS spectrum, confirming the identity of the selected species. Further, this method was used to characterize triply charged tungsten-polyoxometalate anions, PW12O403- (WPOM). The arrival time distribution of the IMS/MS showed multiple peaks associated with the triply charged anion (PW12O403-), of which a selected ATD was deposited and imaged using TEM. Additionally, the identity of the deposited WPOM was ascertained using energy-dispersive (EDS) spectroscopy. Further, we present theory and computations that reveal ion landing energies, the ability to modulate the energies, and deposition spot sizes.
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Affiliation(s)
- Jung Y. Lee
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA, 99354
| | - Ailin Li
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA, 99354
| | | | - Xin Zhang
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA, 99354
| | | | - Libor Kovarik
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA, 99354
| | - Yehia M. Ibrahim
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA, 99354
| | - Richard D. Smith
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA, 99354
| | - Sandilya V.B Garimella
- Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA, 99354
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Jimbo A, Li C, Yonesato K, Ushiyama T, Yamaguchi K, Suzuki K. Molecular hybrids of trivacant lacunary polyoxomolybdate and multidentate organic ligands. Chem Sci 2023; 14:10280-10284. [PMID: 37772125 PMCID: PMC10530144 DOI: 10.1039/d3sc03713d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/23/2023] [Indexed: 09/30/2023] Open
Abstract
Functional molecular inorganic-organic hybrids of lacunary polyoxometalates and organic ligands attract much attention for advanced material applications. However, the inherent instability of lacunary polyoxomolybdates hinders the synthesis of hybrids and their utilization. Herein, we present a viable approach for the synthesis of molecular hybrids of trivacant lacunary Keggin-type polyoxomolybdates and multidentate organic ligands including carboxylates and phosphonates, which is based on the use of a lacunary structure stabilized by removable pyridyl ligands as a starting material.
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Affiliation(s)
- Atsuhiro Jimbo
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Chifeng Li
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Tomoki Ushiyama
- NIPPON STEEL Eco-Tech Corporation 2-1-38 Shiohama Kisarazu Chiba 292-0838 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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Gholipour-Ranjbar H, Samayoa-Oviedo HY, Laskin J. Controlled Formation of Fused Metal Chalcogenide Nanoclusters Using Soft Landing of Gaseous Fragment Ions. ACS NANO 2023; 17:17427-17435. [PMID: 37638846 DOI: 10.1021/acsnano.3c05545] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
The complete ligation of nanoclusters significantly reduces their chemical reactivity, catalytic activity, and charge transfer properties. Therefore, in applications, nanoclusters are activated through partial ligand removal to take advantage of their full potential. However, the precise control of ligand removal in the condensed phase is challenging. In this study, we examine the reactivity of well-defined activated nanoclusters on surfaces prepared through controlled ligand removal in the gas phase. To accomplish this, we utilized a specially designed ion soft-landing instrument equipped with a collision cell to prepare mass-selected fragment ions, which were then deposited onto self-assembled monolayer (SAM) surfaces. Specifically, we generated fragment ions by selectively removing one or two ligands from a series of atomically precise ligated metal sulfide clusters, Co5MS8(L1)6+ (M = Co, Mn, Fe, or Ni, L1 = PEt3). Removal of one ligand from Co5MS8(L1)6+ (M = Co, Mn, Ni) generates Co5MS8(L1)5+ species, which undergo selective dimerization on SAMs. Meanwhile, Co5FeS8(L1)5+ is unreactive and remains intact when it is deposited onto a SAM surface. In contrast, fragments formed by the removal of two ligands, Co5MS8(L1)4+, undergo several nonselective reactions and generate larger fused clusters. We found that the reactivity of the Co5MS8(L1)5+ fragment ions is correlated with the gas phase stability of the corresponding precursor ion toward ligand loss. Specifically, the relatively unstable precursor ion, Co5FeS8(L1)6+, generates the least reactive fragment. Meanwhile, the more stable precursor ions generate more reactive Co5MS8(L1)5+ fragments that dimerize on surfaces. This observation was also confirmed by co-deposition of fragment ions with two different ligands, Co5MS8(L1)5+ and Co5MS8(L2)5+ (L1 = PEt3 and L2 = PEt2Ph), where fragments generated from more stable precursor ions tend to dimerize and generate dimers with mixed ligands. This study unveils the previously unrecognized potential of fragment ions in generating compounds that are difficult to synthesize using conventional methods. Additionally, it provides a mechanistic understanding of the observed reactivity. Mass-selected deposition of well-defined fragment ions emerges as a powerful approach for designing materials by precisely activating and depositing undercoordinated ligated nanoclusters onto surfaces.
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Affiliation(s)
| | - Hugo Y Samayoa-Oviedo
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47906, United States
| | - Julia Laskin
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47906, United States
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7
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Guo L, He L, Zhuang Q, Li B, Wang C, Lv Y, Chu J, Song YF. Recent Advances in Confining Polyoxometalates and the Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207315. [PMID: 36929209 DOI: 10.1002/smll.202207315] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 02/24/2023] [Indexed: 06/15/2023]
Abstract
Polyoxometalates (POMs) are widely used in catalysis, energy storage, biomedicine, and other research fields due to their unique acidity, photothermal, and redox features. However, the leaching and agglomeration problems of POMs greatly limit their practical applications. Confining POMs in a host material is an efficient tool to address the above-mentioned issues. POM@host materials have received extensive attention in recent years. They not only inherent characteristics of POMs and host, but also play a significant synergistic effect from each component. This review focuses on the recent advances in the development and applications of POM@host materials. Different types of host materials are elaborated in detail, including tubular, layered, and porous materials. Variations in the structures and properties of POMs and hosts before and after confinement are highlighted as well. In addition, an overview of applications for the representative POM@host materials in electrochemical, catalytic, and biological fields is provided. Finally, the challenges and future perspectives of POM@host composites are discussed.
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Affiliation(s)
- Lin Guo
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Lei He
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Qinghe Zhuang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Bole Li
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Cuifeng Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yanfei Lv
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Jinfeng Chu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yu-Fei Song
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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Cheng H, Liu R, Zhang R, Huang L, Yuan Q. Recent advances in supramolecular self-assembly derived materials for high-performance supercapacitors. NANOSCALE ADVANCES 2023; 5:2394-2412. [PMID: 37143817 PMCID: PMC10153478 DOI: 10.1039/d3na00067b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/10/2023] [Indexed: 05/06/2023]
Abstract
The key preponderance of supramolecular self-assembly strategy is its ability to precisely assemble various functional units at the molecular level through non-covalent bonds to form multifunctional materials. Supramolecular materials have the merits of diverse functional groups, flexible structure, and unique self-healing properties, which make them of great value in the field of energy storage. This paper reviews the latest research progress of the supramolecular self-assembly strategy for the advanced electrode materials and electrolytes for supercapacitors, including supramolecular self-assembly for the preparation of high-performance carbon materials, metal-based materials and conductive polymer materials, and its beneficial effects on the performance of supercapacitors. The preparation of high performance supramolecular polymer electrolytes and their application in flexible wearable devices and high energy density supercapacitors are also discussed in detail. In addition, at the end of this paper, the challenges of the supramolecular self-assembly strategy are summarized and the development of supramolecular-derived materials for supercapacitors is prospected.
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Affiliation(s)
- Honghong Cheng
- School of Chemistry and Materials Science, Guangdong University of Education Guangzhou 510800 P.R. China
| | - Ruliang Liu
- School of Chemistry and Materials Science, Guangdong University of Education Guangzhou 510800 P.R. China
| | - Ruyi Zhang
- School of Chemistry and Materials Science, Guangdong University of Education Guangzhou 510800 P.R. China
| | - Lan Huang
- School of Chemistry and Materials Science, Guangdong University of Education Guangzhou 510800 P.R. China
| | - Qiaoyi Yuan
- School of Chemistry and Materials Science, Guangdong University of Education Guangzhou 510800 P.R. China
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Primera-Pedrozo OM, Tan S, Zhang D, O'Callahan BT, Cao W, Baxter ET, Wang XB, El-Khoury PZ, Prabhakaran V, Glezakou VA, Johnson GE. Influence of surface and intermolecular interactions on the properties of supported polyoxometalates. NANOSCALE 2023; 15:5786-5797. [PMID: 36857667 DOI: 10.1039/d2nr06148a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Polyoxometalates (POMs) with localized radical or open-shell metal sites have the potential to be used as transformative electronic spin based molecular qubits (MQs) for quantum computing (QC). For practical applications, MQs have to be immobilized in electronically or optically addressable arrays which introduces interactions with supports as well as neighboring POMs. Herein, we synthesized Keggin POMs with both tungsten (W) and vanadium (V) addenda atoms. Ion soft landing, a highly-controlled surface modification technique, was used to deliver mass-selected V-doped POMs to different self-assembled monolayer surfaces on gold (SAMs) without the solvent, counterions, and contaminants that normally accompany deposition from solution. Alkylthiol, perfluorinated, and carboxylic-acid terminated monolayers were employed as representative model supports on which different POM-surface and POM-POM interactions were characterized. We obtained insights into the vibrational properties of supported V-doped POMs and how they are perturbed by interactions with specific surface functional groups using infrared reflection absorption and scattering-type scanning near-field optical microscopy, as well as tip enhanced Raman spectroscopy. Different functional groups on SAMs and nanoscale heterogeneity are both shown to modulate the observed spectroscopic signatures. Spectral shifts are also found to be dependent on POM-POM interactions. The electronic structure of the V-doped POMs was determined in the gas phase using negative ion photoelectron spectroscopy and on surfaces with scanning Kelvin probe microscopy. The chemical functionality and charge transfer properties of the SAMs are demonstrated to exert an influence on the charge state and electronic configuration of supported V-doped POMs. The geometric and electronic structure of the POMs were also calculated using density functional theory. Our joint experimental and theoretical findings provide insight into how V substitution as well as POM-surface and POM-POM interactions influence the vibrational properties of POMs.
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Affiliation(s)
- Oliva M Primera-Pedrozo
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | - Shuai Tan
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | - Difan Zhang
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | - Brian T O'Callahan
- Pacific Northwest National Laboratory, Earth and Biological Sciences Division, P.O. Box 999, MSIN K8-88, Richland, Washington 99352, USA
| | - Wenjin Cao
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | - Eric T Baxter
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | - Xue-Bin Wang
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | - Patrick Z El-Khoury
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | - Venkateshkumar Prabhakaran
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
| | | | - Grant E Johnson
- Pacific Northwest National Laboratory, Physical Sciences Division, P.O. Box 999, MSIN J7-10, Richland, Washington 99352, USA.
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Gholipour-Ranjbar H, Hu H, Su P, Samayoa Oviedo HY, Gilpin C, Wang H, Zhang Y, Laskin J. Soft landing of polyatomic anions onto three-dimensional semiconductive and conductive substrates. NANOSCALE ADVANCES 2023; 5:1672-1680. [PMID: 36926574 PMCID: PMC10012853 DOI: 10.1039/d2na00632d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 02/09/2023] [Indexed: 06/18/2023]
Abstract
Soft landing of well-characterized polyoxometalate anions, PW12O40 3- (WPOM) and PMo12O40 3- (MoPOM), was carried out to explore the distribution of anions in the semiconducting 10 and 6 μm-long vertically aligned TiO2 nanotubes as well as 300 μm-long conductive vertically aligned carbon nanotubes (VACNTs). The distribution of soft-landed anions on the surfaces and their penetration into the nanotubes were studied using energy dispersive X-ray spectroscopy (EDX) and scanning electron microscopy (SEM). We observe that soft landed anions generate microaggregates on the TiO2 nanotubes and only reside in the top 1.5 μm of the nanotube height. Meanwhile, soft landed anions are uniformly distributed on top of VACNTs and penetrate into the top 40 μm of the sample. We propose that both the aggregation and limited penetration of POM anions into TiO2 nanotubes is attributed to the lower conductivity of this substrate as compared to VACNTs. This study provides first insights into the controlled modification of three dimensional (3D) semiconductive and conductive interfaces using soft landing of mass-selected polyatomic ions, which is of interest to the rational design of 3D interfaces for electronics and energy applications.
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Affiliation(s)
| | - Hang Hu
- Department of Chemistry, Purdue University West Lafayette IN 47906 USA
| | - Pei Su
- Department of Chemistry, Purdue University West Lafayette IN 47906 USA
| | | | - Christopher Gilpin
- Life Science Microscopy Facility, Purdue University West Lafayette IN 47907 USA
| | - Haomin Wang
- Department of Chemistry, Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Tsinghua University Beijing 100084 China
| | - Yingying Zhang
- Department of Chemistry, Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education, Tsinghua University Beijing 100084 China
| | - Julia Laskin
- Department of Chemistry, Purdue University West Lafayette IN 47906 USA
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11
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Mass spectrometry in materials synthesis. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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12
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Wang C, Song Y, Cong W, Yan Y, Wang M, Zhou J. From surface loading to precise confinement of polyoxometalates for electrochemical energy storage. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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13
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Esser TK, Böhning J, Fremdling P, Bharat T, Gault J, Rauschenbach S. Cryo-EM samples of gas-phase purified protein assemblies using native electrospray ion-beam deposition. Faraday Discuss 2022; 240:67-80. [PMID: 36065984 PMCID: PMC9641999 DOI: 10.1039/d2fd00065b] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
An increasing number of studies on biomolecular function indirectly combine mass spectrometry (MS) with imaging techniques such as cryo electron microscopy (cryo-EM). This approach allows information on the homogeneity, stoichiometry, shape, and interactions of native protein complexes to be obtained, complementary to high-resolution protein structures. We have recently demonstrated TEM sample preparation via native electrospray ion-beam deposition (ES-IBD) as a direct link between native MS and cryo-EM. This workflow forms a potential new route to the reliable preparation of homogeneous cryo-EM samples and a better understanding of the relation between native solution-phase and native-like gas-phase structures. However, many aspects of the workflow need to be understood and optimized to obtain performance comparable to that of state-of-the-art cryo-EM. Here, we expand on the previous discussion of key factors by probing the effects of substrate type and deposition energy. We present and discuss micrographs from native ES-IBD samples with amorphous carbon, graphene, and graphene oxide, as well as landing energies in the range between 2 and 150 eV per charge.
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Affiliation(s)
- Tim K. Esser
- Department of Chemistry, University of OxfordOxfordOX1 3TFUK
| | - Jan Böhning
- Sir William Dunn School of Pathology, University of OxfordSouth Parks RoadOxfordOX1 3REUK
| | - Paul Fremdling
- Department of Chemistry, University of OxfordOxfordOX1 3TFUK
| | - Tanmay Bharat
- Sir William Dunn School of Pathology, University of OxfordSouth Parks RoadOxfordOX1 3REUK,Structural Studies Division, MRC Laboratory of Molecular BiologyFrancis Crick AvenueCambridgeCB2 0QHUK
| | - Joseph Gault
- Department of Chemistry, University of OxfordOxfordOX1 3TFUK
| | - Stephan Rauschenbach
- Department of Chemistry, University of OxfordOxfordOX1 3TFUK,Max Planck Institute for Solid State ResearchHeisenbergstrasse 1StuttgartDE-70569Germany
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14
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Fremdling P, Esser TK, Saha B, Makarov AA, Fort KL, Reinhardt-Szyba M, Gault J, Rauschenbach S. A Preparative Mass Spectrometer to Deposit Intact Large Native Protein Complexes. ACS NANO 2022; 16:14443-14455. [PMID: 36037396 PMCID: PMC9527803 DOI: 10.1021/acsnano.2c04831] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
Electrospray ion-beam deposition (ES-IBD) is a versatile tool to study the structure and reactivity of molecules from small metal clusters to large protein assemblies. It brings molecules gently into the gas phase, where they can be accurately manipulated and purified, followed by controlled deposition onto various substrates. In combination with imaging techniques, direct structural information on well-defined molecules can be obtained, which is essential to test and interpret results from indirect mass spectrometry techniques. To date, ion-beam deposition experiments are limited to a small number of custom instruments worldwide, and there are no commercial alternatives. Here we present a module that adds ion-beam deposition capabilities to a popular commercial MS platform (Thermo Scientific Q Exactive UHMR mass spectrometer). This combination significantly reduces the overhead associated with custom instruments, while benefiting from established high performance and reliability. We present current performance characteristics including beam intensity, landing-energy control, and deposition spot size for a broad range of molecules. In combination with atomic force microscopy (AFM) and transmission electron microscopy (TEM), we distinguish near-native from unfolded proteins and show retention of the native shape of protein assemblies after dehydration and deposition. Further, we use an enzymatic assay to quantify the activity of a noncovalent protein complex after deposition on a dry surface. Together, these results not only indicate a great potential of ES-IBD for applications in structural biology, but also outline the challenges that need to be solved for it to reach its full potential.
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Affiliation(s)
- Paul Fremdling
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Tim K. Esser
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Bodhisattwa Saha
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Alexander A. Makarov
- Thermo
Fisher Scientific, Bremen 28199, Germany
- Biomolecular
Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular
Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, 3584
CH Utrecht, The Netherlands
| | | | | | - Joseph Gault
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Stephan Rauschenbach
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
- Max
Planck Institute for Solid State Research, Heisenbergstrasse 1, Stuttgart 70569, Germany
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15
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Esser TK, Böhning J, Fremdling P, Agasid MT, Costin A, Fort K, Konijnenberg A, Gilbert JD, Bahm A, Makarov A, Robinson CV, Benesch JLP, Baker L, Bharat TAM, Gault J, Rauschenbach S. Mass-selective and ice-free electron cryomicroscopy protein sample preparation via native electrospray ion-beam deposition. PNAS NEXUS 2022; 1:pgac153. [PMID: 36714824 PMCID: PMC9802471 DOI: 10.1093/pnasnexus/pgac153] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/03/2022] [Indexed: 02/01/2023]
Abstract
Despite tremendous advances in sample preparation and classification algorithms for electron cryomicroscopy (cryo-EM) and single-particle analysis (SPA), sample heterogeneity remains a major challenge and can prevent access to high-resolution structures. In addition, optimization of preparation conditions for a given sample can be time-consuming. In the current work, it is demonstrated that native electrospray ion-beam deposition (native ES-IBD) is an alternative, reliable approach for the preparation of extremely high-purity samples, based on mass selection in vacuum. Folded protein ions are generated by native electrospray ionization, separated from other proteins, contaminants, aggregates, and fragments, gently deposited on cryo-EM grids, frozen in liquid nitrogen, and subsequently imaged by cryo-EM. We demonstrate homogeneous coverage of ice-free cryo-EM grids with mass-selected protein complexes. SPA reveals that the complexes remain folded and assembled, but variations in secondary and tertiary structures are currently limiting information in 2D classes and 3D EM density maps. We identify and discuss challenges that need to be addressed to obtain a resolution comparable to that of the established cryo-EM workflow. Our results show the potential of native ES-IBD to increase the scope and throughput of cryo-EM for protein structure determination and provide an essential link between gas-phase and solution-phase protein structures.
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Affiliation(s)
| | - Jan Böhning
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK
| | - Paul Fremdling
- Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
| | | | | | - Kyle Fort
- Thermo Fisher Scientific, Hanna-Kunath-Straße 11, 28199 Bremen, Germany
| | - Albert Konijnenberg
- Thermo Fisher Scientific, Zwaanstraat 31G/H, 5651 CA Eindhoven, The Netherlands
| | - Joshua D Gilbert
- Thermo Fisher Scientific, 5350 NE Dawson Creek Drive, Hillsboro, OR 97124, USA
| | - Alan Bahm
- Thermo Fisher Scientific, 5350 NE Dawson Creek Drive, Hillsboro, OR 97124, USA
| | - Alexander Makarov
- Thermo Fisher Scientific, Hanna-Kunath-Straße 11, 28199 Bremen, Germany,Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Carol V Robinson
- Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
| | - Justin L P Benesch
- Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
| | | | - Tanmay A M Bharat
- Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK,Structural Studies Division, MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, UK
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16
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Prabhakaran V, Romo J, Bhattarai A, George K, Norberg ZM, Kalb D, Aprà E, Kottke PA, Fedorov AG, El-Khoury PZ, Johnson GE, Laskin J. Integrated photoelectrochemical energy storage cells prepared by benchtop ion soft landing. Chem Commun (Camb) 2022; 58:9060-9063. [PMID: 35899861 PMCID: PMC9367248 DOI: 10.1039/d2cc02595g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The exceptional photochromic and redox properties of polyoxometalate anions, PW12O403−, have been exploited to develop an integrated photoelectrochemical energy storage cell for conversion and storage of solar energy. Elimination of strongly coordinating cations using benchtop ion soft landing leads to a ∼370% increase in the maximum power output of the device. Additionally, the photocathode displayed a pronounced color change from clear to blue upon irradiation, which warrants the potential application of the IPES cell in advanced smart windows and photochromic lenses. Soft landing eliminates counter cations from Keggin polyoxometalate-based photocathodes, resulting in a ∼370% increase in maximum power output from a novel device that simultaneously harvests and stores solar energy.![]()
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Affiliation(s)
| | - Joelle Romo
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Ashish Bhattarai
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Kyle George
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Zachary M Norberg
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - David Kalb
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Edoardo Aprà
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Peter A Kottke
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Andrei G Fedorov
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Patrick Z El-Khoury
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Grant E Johnson
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Julia Laskin
- Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA.
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17
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Wang Q, Zhou L, Li J, Li Z, Wang T. Enhanced Interfacial Affinity of the Supercapacitor Electrode with a Hydrogel Electrolyte by a Preadsorbed Polyzwitterion Layer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:8614-8622. [PMID: 35786970 DOI: 10.1021/acs.langmuir.2c00993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Polymer hydrogel-based solid-state supercapacitors exhibit great potential applications in flexible devices. Nevertheless, the poor electrode-electrolyte interfacial properties restrict their advances. Herein, by taking the well-developed polyvinyl alcohol (PVA)/H2SO4 gel electrolyte and the graphene film electrode as the prototype, a very simple strategy is demonstrated to improve the interfacial affinity between the electrode and the hydrogel electrolyte by a preadsorbed highly hydrophilic polyzwitterion layer of poly(propylsulfonate dimethylammonium propylmethacrylamide) (PPDP) on the electrode surface. Electrochemical measurements confirm that the charge-transfer resistance on the interface is effectively reduced after modification with PPDP. Consequently, the obtained areal capacitance experiences a 3-fold increase compared to the unmodified ones. Results from electrochemical quartz crystal microbalance with dissipation demonstrate that more ions can be reversibly transferred on the modified interface during the change-discharge cycles, suggesting that the accessible surface area on the electrode is also increased. The hydrophilic PVA layer shows a similar function but with a much smaller efficiency. The strategy depicted here is highly universalizable and can be generalized to different electrode/electrolyte systems or other electrochemical energy storage devices.
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Affiliation(s)
- Qing Wang
- School of Physics and Materials Science, Jiangxi Key Laboratory for Two-Dimensional Materials, Nanchang University, Nanchang 330031, P. R. China
| | - Lang Zhou
- School of Physics and Materials Science, Jiangxi Key Laboratory for Two-Dimensional Materials, Nanchang University, Nanchang 330031, P. R. China
| | - Jingzhe Li
- School of Physics and Materials Science, Jiangxi Key Laboratory for Two-Dimensional Materials, Nanchang University, Nanchang 330031, P. R. China
| | - Zheng Li
- School of Physics and Materials Science, Jiangxi Key Laboratory for Two-Dimensional Materials, Nanchang University, Nanchang 330031, P. R. China
| | - Tao Wang
- School of Physics and Materials Science, Jiangxi Key Laboratory for Two-Dimensional Materials, Nanchang University, Nanchang 330031, P. R. China
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18
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Nasuha S, Pershaanaa M, Bashir S, Ramesh K, Ramesh S. Manganese-doped zinc sulfide binary nanostructures as binder-free electrode materials for supercapattery. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05218-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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19
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Kar A. A New Aryl Sulfonium Polyoxomolybate with One-Electron Reduced Keggin Cluster: Crystal Structure, Hirshfeld Analysis, and Photochromic Activity. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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20
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Li Q, Xu M, Wang T, Wang H, Sun J, Sha J. Nanohybridization of CoS 2 /MoS 2 Heterostructure with Polyoxometalate on Functionalized Reduced Graphene Oxide for High-Performance LIBs. Chemistry 2022; 28:e202200207. [PMID: 35229378 DOI: 10.1002/chem.202200207] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Indexed: 12/25/2022]
Abstract
To address the poor cycling stability and low rate capability of MoS2 as electrode materials for lithium-ion batteries (LIBs), herein, the CoS2 /MoS2 /PDDA-rGO/PMo12 nanocomposites are constructed via a simple hydrothermal process, combining the advantages of all three, namely, CoS2 /MoS2 heterojunction and polyoxometalates (POMs) provide abundant catalytically active sites and increase the multi-electron transfer ability, and the positively charged poly(diallyldimethylammonium chloride) modified reduced graphene oxide (PDDA-rGO) improve electronic conductivity and effectively prevent the aggregation of MoS2 , meanwhile stabilize the negatively charged [PMo12 O40 ]3- . After the electrochemical testing, the resulting CoS2 /MoS2 /PDDA-rGO/PMo12 nanocomposite achieved 1055 mA h g-1 initial specific capacities and stabilized at 740 mA h g-1 after 150 cycles at 100 mA g-1 current density. And the specific capacities of MoS2 , MoS2 /PDDA-rGO, CoS2 /MoS2 , and CoS2 /MoS2 /PDDA-rGO were 201, 421, 518, and 589 at 100 mA g-1 after 150 cycles, respectively. The fact of the greatly improving capacity of MoS2 -based nanocomposites suggests its potential for high performance electrode materials of LIBs. Moreover, the lithium storage mechanism of CoS2 /MoS2 /PDDA-rGO/PMo12 has been discussed on the basis of cyclic voltammetry with different scan rates.
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Affiliation(s)
- Qian Li
- Department of Chemistry and Chemical Engineering, Jining University Qufu, Shandong, 273155, P. R. China
| | - Mingqi Xu
- Department of Chemistry and Chemical Engineering, Jining University Qufu, Shandong, 273155, P. R. China
| | - Tong Wang
- Department of Chemistry and Chemical Engineering, Jining University Qufu, Shandong, 273155, P. R. China
| | - Haijun Wang
- Department of Pharmacy, Qiqihar Medical University, Qiqihar, HeilongJiang, 161006, P. R. China
| | - Jingwen Sun
- Department of Pharmacy, Qiqihar Medical University, Qiqihar, HeilongJiang, 161006, P. R. China
| | - Jingquan Sha
- Department of Chemistry and Chemical Engineering, Jining University Qufu, Shandong, 273155, P. R. China
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21
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Khan P, Jamshaid M, Tabassum S, Perveen S, Mahmood T, Ayub K, Yang J, Gilani MA. Exploring the interaction of ionic liquids with Al12N12 and Al12P12 nanocages for better electrode-electrolyte materials in super capacitors. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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22
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Yang L, Lei J, Fan JM, Yuan RM, Zheng MS, Chen JJ, Dong QF. The Intrinsic Charge Carrier Behaviors and Applications of Polyoxometalate Clusters Based Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005019. [PMID: 33834550 DOI: 10.1002/adma.202005019] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 03/06/2021] [Indexed: 06/12/2023]
Abstract
Polyoxometalates (POMs) are a series of molecular metal oxide clusters, which span the two domains of solutes and solid metal oxides. The unique characters of POMs in structure, geometry, and adjustable redox properties have attracted widespread attention in functional material synthesis, catalysis, electronic devices, and electrochemical energy storage and conversion. This review is focused on the links between the intrinsic charge carrier behaviors of POMs from a chemistry-oriented view and their recent ground-breaking developments in related areas. First, the advantageous charge transfer behaviors of POMs in molecular-level electronic devices are summarized. Solar-driven, thermal-driven, and electrochemical-driven charge carrier behaviors of POMs in energy generation, conversion and storage systems are also discussed. Finally, present challenges and fundamental insights are discussed as to the advanced design of functional systems based upon POM building blocks for their possible emerging application areas.
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Affiliation(s)
- Le Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Collaborative Innovation Centre of Chemistry for Energy Materials, Department of Chemistry, Xiamen University, Xiamen, Fujian, 361005, China
| | - Jie Lei
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Collaborative Innovation Centre of Chemistry for Energy Materials, Department of Chemistry, Xiamen University, Xiamen, Fujian, 361005, China
| | - Jing-Min Fan
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Collaborative Innovation Centre of Chemistry for Energy Materials, Department of Chemistry, Xiamen University, Xiamen, Fujian, 361005, China
| | - Ru-Ming Yuan
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Collaborative Innovation Centre of Chemistry for Energy Materials, Department of Chemistry, Xiamen University, Xiamen, Fujian, 361005, China
| | - Ming-Sen Zheng
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Collaborative Innovation Centre of Chemistry for Energy Materials, Department of Chemistry, Xiamen University, Xiamen, Fujian, 361005, China
| | - Jia-Jia Chen
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Collaborative Innovation Centre of Chemistry for Energy Materials, Department of Chemistry, Xiamen University, Xiamen, Fujian, 361005, China
| | - Quan-Feng Dong
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Collaborative Innovation Centre of Chemistry for Energy Materials, Department of Chemistry, Xiamen University, Xiamen, Fujian, 361005, China
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23
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Samayoa-Oviedo HY, Behrend KA, Kawa S, Knorke H, Su P, Belov ME, Anderson G, Warneke J, Laskin J. Design and Performance of a Soft-Landing Instrument for Fragment Ion Deposition. Anal Chem 2021; 93:14489-14496. [PMID: 34672519 DOI: 10.1021/acs.analchem.1c03009] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report the development of a new high-flux electrospray ionization-based instrument for soft landing of mass-selected fragment ions onto surfaces. Collision-induced dissociation is performed in a collision cell positioned after the dual electrodynamic ion funnel assembly. The high duty cycle of the instrument enables high-coverage deposition of mass-selected fragment ions onto surfaces at a defined kinetic energy. This capability facilitates the investigation of the reactivity of gaseous fragment ions in the condensed phase. We demonstrate that the observed reactions of deposited fragment ions are dependent on the structure of the ion and the composition of either ionic or neutral species codeposited onto a surface. The newly developed instrument provides access to high-purity ion fragments as building blocks for the preparation of unique ionic layers.
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Affiliation(s)
- Hugo Y Samayoa-Oviedo
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Kay-Antonio Behrend
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany
| | - Sebastian Kawa
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany
| | - Harald Knorke
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany
| | - Pei Su
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Mikhail E Belov
- Spectroglyph, LLC, Kennewick, Washington 99338, United States
| | - Gordon Anderson
- GAA Custom Electronics, LLC, POB 335, Benton City, Washington 99338, United States
| | - Jonas Warneke
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103 Leipzig, Germany.,Leibniz Institute of Surface Engineering (IOM), Sensoric Surfaces and Functional Interfaces, Permoserstr. 15, D-04318 Leipzig, Germany
| | - Julia Laskin
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
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24
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Hankins K, Prabhakaran V, Wi S, Shutthanandan V, Johnson GE, Roy S, Wang H, Shao Y, Thevuthasan S, Balbuena PB, Mueller KT, Murugesan V. Role of Polysulfide Anions in Solid-Electrolyte Interphase Formation at the Lithium Metal Surface in Li-S Batteries. J Phys Chem Lett 2021; 12:9360-9367. [PMID: 34550703 DOI: 10.1021/acs.jpclett.1c01930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Delineating intricate interactions between highly reactive Li-metal electrodes and the diverse constituents of battery electrolytes has been a long-standing scientific challenge in materials design for advanced energy storage devices. Here, we isolated lithium polysulfide anions (LiS4-) from an electrolyte solution based on their mass-to-charge ratio and deposited them on Li-metal electrodes under clean vacuum conditions using ion soft landing (ISL), a highly controlled interface preparation technique. The molecular level precision in the construction of these model interfaces with ISL, coupled with in situ X-ray photoelectron spectroscopy and ab initio theoretical calculations, allowed us to obtain unprecedented insight into the parasitic reactions of well-defined polysulfides on Li-metal electrodes. Our study revealed that the oxide-rich surface layer, which is amenable to direct electron exchange, drives multielectron sulfur oxidation (S0 → S6+) processes. Our results have substantial implications for the rational design of future Li-S batteries with improved efficiency and durability.
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Affiliation(s)
- Kie Hankins
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Texas A&M University, College Station, Texas 77843, United States
| | - Venkateshkumar Prabhakaran
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Sungun Wi
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | | | - Grant E Johnson
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Swadipta Roy
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Hui Wang
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Yuyan Shao
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | | | - Perla B Balbuena
- Texas A&M University, College Station, Texas 77843, United States
| | - Karl T Mueller
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Vijayakumar Murugesan
- Joint Center for Energy Storage Research, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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25
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Moors M, Warneke J, López X, de Graaf C, Abel B, Monakhov KY. Insights from Adsorption and Electron Modification Studies of Polyoxometalates on Surfaces for Molecular Memory Applications. Acc Chem Res 2021; 54:3377-3389. [PMID: 34427081 DOI: 10.1021/acs.accounts.1c00311] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This Account highlights recent experimental and theoretical work focusing on the development of polyoxometalates (POMs) as possible active switching units in what may be called "molecule-based memory cells". Herein, we critically discuss how multiply charged vanadium-containing POMs, which exhibit stable metal-oxo bonds and are characterized by the excellent ability to change their redox states without significant structural distortions of the central polyoxoanion core, can be immobilized best and how they may work optimally at appropriate surfaces. Furthermore, we critically discuss important issues and challenges on the long way toward POM-based nanoelectronics. This Account is divided into four sections shedding light on POM interplay in solution and on surfaces, ion soft-landing of mass-selected POMs on surfaces, electronic modification of POMs on surfaces, and computational modeling of POMs on surfaces. The sections showcase the complex nature of far-reaching POM interactions with the chemical surroundings in solution and the properties of POMs in the macroscopic environment of electrode surfaces. Section 2 describes complex relationships of POMs with their counter-cations, solvent molecules, and water impurities, which have been shown to exhibit a direct impact on the resulting surface morphology, where a concentration-dependent formation of micellar structures can be potentially observed. Section 3 gives insights into the ion soft-landing deposition of mass-selected POMs on electrode surfaces, which emerges as an appealing method because the simultaneous deposition of agglomeration-stimulating counter-cations can be avoided. Section 4 provides details of electronic properties of POMs and their modification by external electronic stimuli toward the development of multiple-state resistive (memristive) switches. Section 5 sheds light on issues of the determination of the electronic structure properties of POMs across their interfaces, which is difficult to address by experiment. The studies summarized in these four sections have employed various X-ray-scattering, microscopy, spectroscopy, and computational techniques for imaging of POM interfaces in solution and on surfaces to determine the adsorption type, agglomeration tendency, distribution, and oxidation state of deposited molecules. The presented research findings and conceptual ideas may assist experimentalists and theoreticians to advance the exploration of POM electrical conductivity as a function of metal redox and spin states and to pave the way for a realization of ("brain-inspired") POM-based memory devices, memristive POM-surface device engineering, and energy efficient nonvolatile data storage and processing technologies.
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Affiliation(s)
- Marco Moors
- Leibniz Institute of Surface Engineering (IOM), Permoserstraße 15, 04318 Leipzig, Germany
| | - Jonas Warneke
- Leibniz Institute of Surface Engineering (IOM), Permoserstraße 15, 04318 Leipzig, Germany
- Wilhelm-Ostwald-Institute for Physical and Theoretical Chemistry, Leipzig University, Linnéstr. 2, 04103 Leipzig, Germany
| | - Xavier López
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, c/Marcel·lí Domingo 1, 43007 Tarragona, Spain
| | - Coen de Graaf
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, c/Marcel·lí Domingo 1, 43007 Tarragona, Spain
- ICREA, Passeig Lluís Companys 23, 08010 Barcelona, Spain
| | - Bernd Abel
- Leibniz Institute of Surface Engineering (IOM), Permoserstraße 15, 04318 Leipzig, Germany
- Wilhelm-Ostwald-Institute for Physical and Theoretical Chemistry, Leipzig University, Linnéstr. 2, 04103 Leipzig, Germany
| | - Kirill Yu. Monakhov
- Leibniz Institute of Surface Engineering (IOM), Permoserstraße 15, 04318 Leipzig, Germany
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Su P, Chen X, Smith AJ, Espenship MF, Samayoa Oviedo HY, Wilson SM, Gholipour-Ranjbar H, Larriba-Andaluz C, Laskin J. Multiplexing of Electrospray Ionization Sources Using Orthogonal Injection into an Electrodynamic Ion Funnel. Anal Chem 2021; 93:11576-11584. [PMID: 34378383 DOI: 10.1021/acs.analchem.1c02092] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this contribution, we report an efficient approach to multiplex electrospray ionization (ESI) sources for applications in analytical and preparative mass spectrometry. This is achieved using up to four orthogonal injection inlets implemented on the opposite sides of an electrodynamic ion funnel interface. We demonstrate that both the total ion current transmitted through the mass spectrometer and the signal-to-noise ratio increase by 3.8-fold using four inlets compared to one inlet. The performance of the new multiplexing approach was examined using different classes of analytes covering a broad range of mass and ionic charge. A deposition rate of >10 μg of mass-selected ions per day may be achieved by using the multiplexed sources coupled to preparative mass spectrometry. The almost proportional increase in the ion current with the number of ESI inlets observed experimentally is confirmed using gas flow and ion trajectory simulations. The simulations demonstrate a pronounced effect of gas dynamics on the ion trajectories in the ion funnel, indicating that the efficiency of multiplexing strongly depends on gas velocity field. The study presented herein opens up exciting opportunities for the development of bright ion sources, which will advance both analytical and preparative mass spectrometry applications.
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Affiliation(s)
- Pei Su
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Xi Chen
- Department of Mechanical and Energy Engineering, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Andrew J Smith
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Michael F Espenship
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Hugo Y Samayoa Oviedo
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Solita M Wilson
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Habib Gholipour-Ranjbar
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Carlos Larriba-Andaluz
- Department of Mechanical and Energy Engineering, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Julia Laskin
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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Rinke G, Harnau L, Rauschenbach S. Material and Charge Transport of Large Organic Salt Clusters and Nanoparticles in Electrospray Ion Beam Deposition. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:1648-1658. [PMID: 33656859 DOI: 10.1021/jasms.0c00311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Electrospray ion beam deposition (ES-IBD) or ion soft landing has been demonstrated as a technique suitable for processing nonvolatile molecules in vacuum under perfectly controlled conditions, an approach also desirable for the deposition of nanoparticles. Here, we present results from several approaches to generate, characterize, and deposit nanoparticle ion beams in vacuum for deposition. We focus on cluster ion beams generated by ESI of organic salt solutions. Small cluster ions of the salts appear in the mass spectra as defined peaks. In addition, we find nanoparticle-sized aggregates, appearing as a low intensity background at high m/z-ratio, and show by IBD experiments that these clusters carry the major amount of material in the ion beam. This transition from clusters to nanoparticles, and their successful deposition, shows that ES-IBD can in principle handle ion beams of very heavy and highly charged nanoparticles. In related experiments, however, we found the deposition of nanoparticles from dispersions to be of low reproducibility, due to the lack of control by mass spectrometry.
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Affiliation(s)
- Gordon Rinke
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, DE-70569 Stuttgart, Germany
| | - Ludger Harnau
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, DE-70569 Stuttgart, Germany
| | - Stephan Rauschenbach
- Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, DE-70569 Stuttgart, Germany
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28
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Li C, Yamaguchi K, Suzuki K. Ligand‐Directed Approach in Polyoxometalate Synthesis: Formation of a New Divacant Lacunary Polyoxomolybdate [γ‐PMo
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7−. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016642] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Chifeng Li
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho, Kawaguchi Saitama 332-0012 Japan
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29
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Li C, Yamaguchi K, Suzuki K. Ligand‐Directed Approach in Polyoxometalate Synthesis: Formation of a New Divacant Lacunary Polyoxomolybdate [γ‐PMo
10
O
36
]
7−. Angew Chem Int Ed Engl 2021; 60:6960-6964. [DOI: 10.1002/anie.202016642] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Chifeng Li
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho, Kawaguchi Saitama 332-0012 Japan
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30
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Li C, Jimbo A, Yamaguchi K, Suzuki K. A protecting group strategy to access stable lacunary polyoxomolybdates for introducing multinuclear metal clusters. Chem Sci 2021; 12:1240-1244. [PMID: 34163885 PMCID: PMC8179105 DOI: 10.1039/d0sc06133f] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Although metal-containing polyoxomolybdates (molybdenum oxide clusters) exhibit outstanding catalytic properties, their precise synthetic method has not yet been developed. This is mainly because the very low stability of the multivacant lacunary polyoxomolybdates limited their use as synthetic precursors. Here, we present a "protecting group strategy" in polyoxometalate synthesis and successfully develop an efficient method for synthesising multinuclear metal-containing polyoxomolybdates using pyridine as a protecting group for unstable trivacant lacunary Keggin-type polyoxomolybdate [PMo9O34]9-. Specifically, tetranuclear cubane- and planar-type manganese clusters were selectively synthesised in the polyoxomolybdates using the present method. The importance of this work is that, in addition to being the first practical way of utilizing multivacant lacunary polyoxomolybdates as precursors, this new "protecting group strategy" will make it possible to produce polyoxometalates with unexplored structures and properties.
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Affiliation(s)
- Chifeng Li
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Atsuhiro Jimbo
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan .,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST) 4-1-8 Honcho, Kawaguchi Saitama 332-0012 Japan
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31
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Su P, Espenship MF, Laskin J. Principles of Operation of a Rotating Wall Mass Analyzer for Preparative Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2020; 31:1875-1884. [PMID: 32809825 DOI: 10.1021/jasms.0c00140] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this contribution, we describe the principles of operation of a rotating wall mass analyzer (RWMA), a mass-dispersive device for preparative mass spectrometry. Ions of different m/z are spatially separated by RWMA and deposited onto ring-shaped areas of distinct radii on a surface. We use a combination of an analytical equation for predicting the radius of the deposition ring and SIMION simulations to understand how to optimize the experimental conditions for the separation of multicomponent mixtures. The results of these simulations are compared with the experimental data. We introduce a universal mass calibration procedure, based on a series of polyacrylamide ions, which is subsequently used to predict the deposition radii of unknown analytes. The calibration is independent of the polarity, kinetic energy, and charge state of the ion as demonstrated by assigning m/z values of different analytes including multiply charged ubiquitin ions. We demonstrate that mass resolution of the RWMA is affected by the width and kinetic energy distribution of the ion beam. The best mass resolution obtained in this study is m/Δm = ∼20. Preparative mass spectrometry using RWMA provides the advantages of simplicity, compactness, and low fabrication cost, which are particularly promising for the development of miniaturized instrumentation. The results presented in this work can be readily adapted to preparative separation of a variety of charged species of interest to the broad scientific community.
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Affiliation(s)
- Pei Su
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Michael F Espenship
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Julia Laskin
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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32
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Zhang J, Baxter ET, Nguyen MT, Prabhakaran V, Rousseau R, Johnson GE, Glezakou VA. Structure and Stability of the Ionic Liquid Clusters [EMIM] n[BF 4] n+1- ( n = 1-9): Implications for Electrochemical Separations. J Phys Chem Lett 2020; 11:6844-6851. [PMID: 32697088 DOI: 10.1021/acs.jpclett.0c01671] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Precise functionalization of electrodes with size-selected ionic liquid (IL) clusters may improve the application of ILs in electrochemical separations. Herein we report our combined experimental and theoretical investigation of the IL clusters 1-ethyl-3-methylimidazolium tetrafluoroborate [EMIM]n[BF4]n+1- (n = 1-9) and demonstrate their selectivity and efficiency toward targeted adsorption of ions from solution. The structures and energies of the IL clusters, predicted with global optimization, agree with and help interpret the ion abundances and stabilities measured by high-mass-resolution electrospray ionization mass spectrometry and collision-induced dissociation experiments. The [EMIM][BF4]2- cluster, which was identified as the most stable IL cluster, was selectively soft-landed onto a working electrode. Electrochemical impedance spectroscopy revealed a lower charge transfer resistance on the soft-landed electrode containing [EMIM][BF4]2- compared with an electrode prepared by drop-casting of an IL solution containing the full range of IL clusters. Our findings indicate that specific IL clusters may be used to increase the efficiency of electrochemical separations by lowering the overpotentials involved.
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Affiliation(s)
- Jun Zhang
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Eric T Baxter
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Manh-Thuong Nguyen
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Venkateshkumar Prabhakaran
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Roger Rousseau
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Grant E Johnson
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States
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33
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Wang M, Zhang Y, Zhang T, Li Y, Cui M, Cao X, Lu Y, Peng D, Liu W, Liu X, Wang T, Huang Y. Confinement of single polyoxometalate clusters in molecular-scale cages for improved flexible solid-state supercapacitors. NANOSCALE 2020; 12:11887-11898. [PMID: 32297884 DOI: 10.1039/d0nr01070g] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Herein, we realized the supramolecular confinement of a single polyoxometalate (POM) cluster precisely in a polypyrrole (PPy) hydrogel-wrapped CNT framework with molecular-scale cages. This hybrid hydrogel framework demonstrated an ultra-high loading (67.5 wt%) and extremely uniform dispersion of individual of H3[P(Mo3O10)4] (PMo12) molecules, as demonstrated by sub-ångström-resolution HAADF-STEM. Consequently, it exhibited a better supercapacitor performance than that of the conventional composite system. The flexible solid-state supercapacitor exhibited a high energy density of 67.5 μW h cm-2 at a power density of 700 μW cm-2 and delivered a high capacitance retention of 85.7% after 3000 cycles. Moreover, the flexible device exhibited excellent mechanical stability. Density functional theory calculations revealed that the wrapped "fishnet-like" hydrogel creates a cage structure with a size of 1.8 nm for the precise storage of the PMo12 molecule (diameter = 1.05 nm), leading to the mono-dispersion of single PMo12 molecules on the hybrid hydrogel. The "caging" effect also activates the PMo12 molecule to enhance its charging/discharging performance by introducing new reactive sites for proton transfer. We believe that this design for suitable cage structures can be used for the construction of other POM-based hybrid hydrogels, thereby achieving mono-dispersity and performance enhancement.
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Affiliation(s)
- Meiling Wang
- Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China.
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Qi M, Zhang NMY, Li K, Tjin SC, Wei L. Hybrid Plasmonic Fiber-Optic Sensors. SENSORS (BASEL, SWITZERLAND) 2020; 20:E3266. [PMID: 32521770 PMCID: PMC7308908 DOI: 10.3390/s20113266] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/24/2020] [Accepted: 06/06/2020] [Indexed: 01/17/2023]
Abstract
With the increasing demand of achieving comprehensive perception in every aspect of life, optical fibers have shown great potential in various applications due to their highly-sensitive, highly-integrated, flexible and real-time sensing capabilities. Among various sensing mechanisms, plasmonics based fiber-optic sensors provide remarkable sensitivity benefiting from their outstanding plasmon-matter interaction. Therefore, surface plasmon resonance (SPR) and localized SPR (LSPR)-based hybrid fiber-optic sensors have captured intensive research attention. Conventionally, SPR- or LSPR-based hybrid fiber-optic sensors rely on the resonant electron oscillations of thin metallic films or metallic nanoparticles functionalized on fiber surfaces. Coupled with the new advances in functional nanomaterials as well as fiber structure design and fabrication in recent years, new solutions continue to emerge to further improve the fiber-optic plasmonic sensors' performances in terms of sensitivity, specificity and biocompatibility. For instance, 2D materials like graphene can enhance the surface plasmon intensity at the metallic film surface due to the plasmon-matter interaction. Two-dimensional (2D) morphology of transition metal oxides can be doped with abundant free electrons to facilitate intrinsic plasmonics in visible or near-infrared frequencies, realizing exceptional field confinement and high sensitivity detection of analyte molecules. Gold nanoparticles capped with macrocyclic supramolecules show excellent selectivity to target biomolecules and ultralow limits of detection. Moreover, specially designed microstructured optical fibers are able to achieve high birefringence that can suppress the output inaccuracy induced by polarization crosstalk and meanwhile deliver promising sensitivity. This review aims to reveal and explore the frontiers of such hybrid plasmonic fiber-optic platforms in various sensing applications.
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Affiliation(s)
- Miao Qi
- School of Electrical and Electronic Engineering and the Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (M.Q.); (N.M.Y.Z.)
| | - Nancy Meng Ying Zhang
- School of Electrical and Electronic Engineering and the Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (M.Q.); (N.M.Y.Z.)
| | - Kaiwei Li
- Institute of Photonics Technology, Jinan University, Guangzhou 510632, China;
| | - Swee Chuan Tjin
- School of Electrical and Electronic Engineering and the Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (M.Q.); (N.M.Y.Z.)
| | - Lei Wei
- School of Electrical and Electronic Engineering and the Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore; (M.Q.); (N.M.Y.Z.)
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Su P, Hu H, Unsihuay D, Zhang D, Dainese T, Diaz RE, Lee J, Gunaratne DK, Wang H, Maran F, Mei J, Laskin J. Preparative Mass Spectrometry Using a Rotating‐Wall Mass Analyzer. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Pei Su
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Hang Hu
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Daisy Unsihuay
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Di Zhang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
| | - Tiziano Dainese
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Rosa E. Diaz
- Birck Nanotechnology Center, Discovery Park Purdue University 1205 W. State St. West Lafayette IN 47907 USA
| | - Jongsu Lee
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Don K. Gunaratne
- Physical Science Division Pacific Northwest National Laboratory P.O. Box 999, MSIN K8-88 Richland WA 99352 USA
| | - Haiyan Wang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
- School of Electrical and Computer Engineering Purdue University 465 Northwestern Avenue West Lafayette IN 47907 USA
| | - Flavio Maran
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Jianguo Mei
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Julia Laskin
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
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36
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Su P, Hu H, Unsihuay D, Zhang D, Dainese T, Diaz RE, Lee J, Gunaratne DK, Wang H, Maran F, Mei J, Laskin J. Preparative Mass Spectrometry Using a Rotating‐Wall Mass Analyzer. Angew Chem Int Ed Engl 2020; 59:7711-7716. [PMID: 32109333 DOI: 10.1002/anie.202000065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/18/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Pei Su
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Hang Hu
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Daisy Unsihuay
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Di Zhang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
| | - Tiziano Dainese
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Rosa E. Diaz
- Birck Nanotechnology Center, Discovery Park Purdue University 1205 W. State St. West Lafayette IN 47907 USA
| | - Jongsu Lee
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Don K. Gunaratne
- Physical Science Division Pacific Northwest National Laboratory P.O. Box 999, MSIN K8-88 Richland WA 99352 USA
| | - Haiyan Wang
- School of Materials Engineering Purdue University 701 W. Stadium Avenue West Lafayette IN 47907 USA
- School of Electrical and Computer Engineering Purdue University 465 Northwestern Avenue West Lafayette IN 47907 USA
| | - Flavio Maran
- Department of Chemistry University of Padova 1, Via Marzolo Padova 35131 Italy
| | - Jianguo Mei
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
| | - Julia Laskin
- Department of Chemistry Purdue University 560 Oval Drive West Lafayette IN 47907 USA
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Misra A, Kozma K, Streb C, Nyman M. Beyond Charge Balance: Counter-Cations in Polyoxometalate Chemistry. Angew Chem Int Ed Engl 2020; 59:596-612. [PMID: 31260159 PMCID: PMC6972580 DOI: 10.1002/anie.201905600] [Citation(s) in RCA: 219] [Impact Index Per Article: 54.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Indexed: 12/13/2022]
Abstract
Polyoxometalates (POMs) are molecular metal-oxide anions applied in energy conversion and storage, manipulation of biomolecules, catalysis, as well as materials design and assembly. Although often overlooked, the interplay of intrinsically anionic POMs with organic and inorganic cations is crucial to control POM self-assembly, stabilization, solubility, and function. Beyond simple alkali metals and ammonium, chemically diverse cations including dendrimers, polyvalent metals, metal complexes, amphiphiles, and alkaloids allow tailoring properties for known applications, and those yet to be discovered. This review provides an overview of fundamental POM-cation interactions in solution, the resulting solid-state compounds, and behavior and properties that emerge from these POM-cation interactions. We will explore how application-inspired research has exploited cation-controlled design to discover new POM materials, which in turn has led to the quest for fundamental understanding of POM-cation interactions.
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Affiliation(s)
- Archismita Misra
- Institute of Inorganic Chemistry IUlm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - Karoly Kozma
- Department of ChemistryOregon State UniversityCorvallisOR97331USA
| | - Carsten Streb
- Institute of Inorganic Chemistry IUlm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - May Nyman
- Department of ChemistryOregon State UniversityCorvallisOR97331USA
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Yang X, Zhu P, Ma X, Li W, Tan Z, Sha J. Graphite-like polyoxometalate-based metal–organic framework as an efficient anode for lithium ion batteries. CrystEngComm 2020. [DOI: 10.1039/c9ce01936g] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new porous POM supported graphite-like MOF (Cu-POM) as a LIB anode material was designed and synthesized, and its lithium storage mechanism was explored using impedance spectra.
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Affiliation(s)
- Xiya Yang
- The Talent Culturing Plan for Leading Disciplines of Shandong Province
- Department of Chemistry and Chemical Engineering
- Jining University
- China
| | - Peipei Zhu
- The Talent Culturing Plan for Leading Disciplines of Shandong Province
- Department of Chemistry and Chemical Engineering
- Jining University
- China
| | - Xiaoliang Ma
- The Talent Culturing Plan for Leading Disciplines of Shandong Province
- Department of Chemistry and Chemical Engineering
- Jining University
- China
| | - Wenjing Li
- The Talent Culturing Plan for Leading Disciplines of Shandong Province
- Department of Chemistry and Chemical Engineering
- Jining University
- China
| | - Zenglong Tan
- The Talent Culturing Plan for Leading Disciplines of Shandong Province
- Department of Chemistry and Chemical Engineering
- Jining University
- China
| | - Jingquan Sha
- The Talent Culturing Plan for Leading Disciplines of Shandong Province
- Department of Chemistry and Chemical Engineering
- Jining University
- China
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39
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Wang M, Yu Y, Cui M, Cao X, Liu W, Wu C, Liu X, Zhang T, Huang Y. Development of polyoxometalate-anchored 3D hybrid hydrogel for high-performance flexible pseudo-solid-state supercapacitor. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135181] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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40
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Yilmaz G, Peh SB, Zhao D, Ho GW. Atomic- and Molecular-Level Design of Functional Metal-Organic Frameworks (MOFs) and Derivatives for Energy and Environmental Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1901129. [PMID: 31728281 PMCID: PMC6839644 DOI: 10.1002/advs.201901129] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 06/21/2019] [Indexed: 05/12/2023]
Abstract
Continuing population growth and accelerated fossil-fuel consumption with recent technological advancements have engendered energy and environmental concerns, urging researchers to develop advanced functional materials to overcome the associated problems. Metal-organic frameworks (MOFs) have emerged as frontier materials due to their unique porous organic-inorganic hybrid periodic assembly and exceptional diversity in structural properties and chemical functionalities. In particular, the modular nature and modularity-dependent activity of MOFs and MOF derivatives have accentuated the delicate atomic- and molecular design and synthesis of MOFs, and their meticulous conversion into carbons and transition-metal-based materials. Synthetic control over framework architecture, content, and reactivity has led to unprecedented merits relevant to various energy and environmental applications. Herein, an overview of the atomic- and molecular-design strategies of MOFs to realize application-targeted properties is provided. Recent progress on the development of MOFs and MOF derivatives based on these strategies, along with their performance, is summarized with a special emphasis on design-structure and functionality-activity relationships. Next, the respective energy- and environmental-related applications of catalysis and energy storage, as well as gas storage-separation and water harvesting with close association to the energy-water-environment nexus are highlighted. Last, perspectives on current challenges and recommendations for further development of MOF-based materials are also discussed.
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Affiliation(s)
- Gamze Yilmaz
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117583Singapore
| | - Shing Bo Peh
- Department of Chemical and Biomolecular Engineering4 Engineering Drive 4Singapore117585Singapore
| | - Dan Zhao
- Department of Chemical and Biomolecular Engineering4 Engineering Drive 4Singapore117585Singapore
| | - Ghim Wei Ho
- Department of Electrical and Computer EngineeringNational University of Singapore4 Engineering Drive 3Singapore117583Singapore
- Institute of Materials Research and EngineeringA*STAR (Agency for Science, Technology and Research)3 Research LinkSingapore117602Singapore
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41
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Misra A, Kozma K, Streb C, Nyman M. Jenseits von Ladungsausgleich: Gegenkationen in der Polyoxometallat‐Chemie. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905600] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Archismita Misra
- Anorganische Chemie I Universtität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - Karoly Kozma
- Department of Chemistry Oregon State University Corvallis OR 97331 USA
| | - Carsten Streb
- Anorganische Chemie I Universtität Ulm Albert-Einstein-Allee 11 89081 Ulm Deutschland
| | - May Nyman
- Department of Chemistry Oregon State University Corvallis OR 97331 USA
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42
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Hufschmid R, Teeman E, Mehdi BL, Krishnan KM, Browning ND. Observing the colloidal stability of iron oxide nanoparticles in situ. NANOSCALE 2019; 11:13098-13107. [PMID: 31268080 DOI: 10.1039/c9nr03709h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Colloidal processes such as nucleation, growth, ripening, and dissolution are fundamental to the synthesis and application of engineered nanoparticles, as well as numerous natural systems. In nanocolloids consisting of a dispersion of nanoparticles in solution, colloidal stability is influenced by factors including the particle surface facet and capping layer, and local temperature, chemistry, and acidity. In this paper, we investigate colloidal stability through the real-time manipulation of nanoparticles using in situ liquid cell Scanning Transmission Electron Microscopy (STEM). In a distribution of uniform iron oxide nanoparticles, we use the electron beam to precisely control the local chemistry of the solution and observe the critical role that surface chemistry plays in nanoparticle stability. By functionalizing the nanoparticle surfaces with charged amino acids and peptides, stability can be tuned to promote dissolution, growth, or agglomeration, either permanently or reversibly. STEM imaging is used to quantify kinetics of individual nanoparticles subject to local variations in chemistry. These measurements of dissolution and growth rates of iron oxide nanoparticles provide insights into nanoparticle stability relevant to synthesis and functionalization for biomedical applications.
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Affiliation(s)
- Ryan Hufschmid
- Department of Materials Science & Engineering, University of Washington, Seattle, WA 98195-2129, USA.
| | - Eric Teeman
- Department of Materials Science & Engineering, University of Washington, Seattle, WA 98195-2129, USA.
| | - B Layla Mehdi
- Department of Mechanical, Materials and Aerospace Engineering, University of Liverpool, Liverpool L69 3GH, UK. and Department of Physics, University of Liverpool, Liverpool L69 3GH, UK
| | - Kannan M Krishnan
- Department of Materials Science & Engineering, University of Washington, Seattle, WA 98195-2129, USA.
| | - Nigel D Browning
- Department of Mechanical, Materials and Aerospace Engineering, University of Liverpool, Liverpool L69 3GH, UK. and Department of Physics, University of Liverpool, Liverpool L69 3GH, UK and Physical and Computational Science Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
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43
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Sun M, Sun J, Yang Y, Wang Y, Lu H, Ouyang J, Na N. Accelerating ambient soft-landing for the separation of aggregation-induced emission luminogens with unique properties. Talanta 2019; 197:36-41. [DOI: 10.1016/j.talanta.2018.12.085] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 12/17/2018] [Accepted: 12/25/2018] [Indexed: 11/28/2022]
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44
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Li C, Mizuno N, Yamaguchi K, Suzuki K. Self-Assembly of Anionic Polyoxometalate–Organic Architectures Based on Lacunary Phosphomolybdates and Pyridyl Ligands. J Am Chem Soc 2019; 141:7687-7692. [DOI: 10.1021/jacs.9b02541] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chifeng Li
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Noritaka Mizuno
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- Precursory Research
for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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45
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Su P, Hu H, Warneke J, Belov ME, Anderson GA, Laskin J. Design and Performance of a Dual-Polarity Instrument for Ion Soft Landing. Anal Chem 2019; 91:5904-5912. [PMID: 30999743 DOI: 10.1021/acs.analchem.9b00309] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Pei Su
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Hang Hu
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Jonas Warneke
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnestr. 2, 04103 Leipzig, Germany
| | | | - Gordon A. Anderson
- GAA Custom Engineering, LLC, POB 335, Benton City, Washington 99320, United States
| | - Julia Laskin
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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46
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Prabhakaran V, Lang Z, Clotet A, Poblet JM, Johnson GE, Laskin J. Controlling the Activity and Stability of Electrochemical Interfaces Using Atom-by-Atom Metal Substitution of Redox Species. ACS NANO 2019; 13:458-466. [PMID: 30521751 DOI: 10.1021/acsnano.8b06813] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Understanding the molecular-level properties of electrochemically active ions at operating electrode-electrolyte interfaces (EEI) is key to the rational development of high-performance nanostructured surfaces for applications in energy technology. Herein, an electrochemical cell coupled with ion soft landing is employed to examine the effect of "atom-by-atom" metal substitution on the activity and stability of well-defined redox-active anions, PMo xW12- xO403- ( x = 0, 1, 2, 3, 6, 9, or 12) at nanostructured ionic liquid EEI. A striking observation made by in situ electrochemical measurements and further supported by theoretical calculations is that the substitution of only one to three tungsten atoms by molybdenum atoms in the PW12O403- anions results in a substantial spike in their first reduction potential. Specifically, PMo3W9O403- showed the highest redox activity in both in situ electrochemical measurements and as part of a functional redox supercapacitor device, making it a "super-active redox anion" compared with all other PMo xW12- xO403- species. Electronic structure calculations showed that metal substitution in PMo xW12- xO403- causes the lowest unoccupied molecular orbital (LUMO) to protrude locally, making it the "active site" for reduction of the anion. Several critical factors contribute to the observed trend in redox activity including (i) multiple isomeric structures populated at room temperature, which affect the experimentally determined reduction potential; (ii) substantial decrease of the LUMO energy upon replacement of W atoms with more-electronegative Mo atoms; and (iii) structural relaxation of the reduced species produced after the first reduction step. Our results illustrate a path to achieving superior performance of technologically relevant EEIs in functional nanoscale devices through understanding of the molecular-level electronic properties of specific electroactive species with "atom-by-atom" precision.
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Affiliation(s)
- Venkateshkumar Prabhakaran
- Physical Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - Zhongling Lang
- Department de Quı́mica Fı́sica Inorgànica , Universitat Rovira i Virgili , Marcel·lí Domingo 1 , Tarragona 43007 , Spain
| | - Anna Clotet
- Department de Quı́mica Fı́sica Inorgànica , Universitat Rovira i Virgili , Marcel·lí Domingo 1 , Tarragona 43007 , Spain
| | - Josep M Poblet
- Department de Quı́mica Fı́sica Inorgànica , Universitat Rovira i Virgili , Marcel·lí Domingo 1 , Tarragona 43007 , Spain
| | - Grant E Johnson
- Physical Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - Julia Laskin
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
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Laskin J, Johnson GE, Warneke J, Prabhakaran V. Von isolierten Ionen zu mehrschichtigen funktionellen Materialien durch sanfte Landung von Ionen. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712296] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Julia Laskin
- Department of Chemistry Purdue University West Lafayette IN 47907 USA
| | - Grant E. Johnson
- Physical Sciences Division Pacific Northwest National Laboratory Richland WA 99352 USA
| | - Jonas Warneke
- Physical Sciences Division Pacific Northwest National Laboratory Richland WA 99352 USA
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48
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Laskin J, Johnson GE, Warneke J, Prabhakaran V. From Isolated Ions to Multilayer Functional Materials Using Ion Soft Landing. Angew Chem Int Ed Engl 2018; 57:16270-16284. [DOI: 10.1002/anie.201712296] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Julia Laskin
- Department of Chemistry Purdue University West Lafayette IN 47907 USA
| | - Grant E. Johnson
- Physical Sciences Division Pacific Northwest National Laboratory Richland WA 99352 USA
| | - Jonas Warneke
- Physical Sciences Division Pacific Northwest National Laboratory Richland WA 99352 USA
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Johnson GE, Prabhakaran V, Browning ND, Mehdi BL, Laskin J, Kottke PA, Fedorov AG. DRILL Interface Makes Ion Soft Landing Broadly Accessible for Energy Science and Applications. BATTERIES & SUPERCAPS 2018; 1:97-101. [PMID: 31448364 PMCID: PMC6707734 DOI: 10.1002/batt.201800042] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Indexed: 06/10/2023]
Abstract
Polyoxometalates (POM) have been deposited onto carbon nanotube (CNT) electrodes using benchtop ion soft landing (SL) enabled by a vortex-confined electrohydrodynamic desolvation process. The device is based on the dry ion localization and locomotion (DRILL) mass spectrometry interface of Fedorov and co-workers. By adding electrospray emitters, heating the desolvation gas, and operating at high gas flow rates, it is possible to obtain stable ion currents up to -15 nA that are ideal for deposition. Coupled with ambient ion optics, this interface enables desolvated ions to be delivered to surfaces while excluding solvent and counterions. Electron microscopy of surfaces prepared using the device reveal discrete POM and no aggregation that degrades electrode performance. Characterization of POM-coated CNT electrodes in a supercapacitor showed an energy storage capacity similar to that achieved with SL in vacuum. For solutions that produce primarily a single ion by electrospray ionization, benchtop SL offers a simpler and less costly approach for surface modification with applications in catalysis, energy storage, and beyond.
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Affiliation(s)
- Grant E. Johnson
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99352 (USA)
| | | | - Nigel D. Browning
- School of Engineering, Department of Mechanical & Aerospace Engineering, University of Liverpool, Liverpool, L69 3GQ, (UK)
| | - B. Layla Mehdi
- School of Engineering, Department of Mechanical & Aerospace Engineering, University of Liverpool, Liverpool, L69 3GQ, (UK)
| | - Julia Laskin
- Department of Chemistry, Purdue University, West Lafayette, IN 47907 (USA)
| | - Peter A. Kottke
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332 (USA)
| | - Andrei G. Fedorov
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332 (USA)
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50
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Su P, Prabhakaran V, Johnson GE, Laskin J. In Situ Infrared Spectroelectrochemistry for Understanding Structural Transformations of Precisely Defined Ions at Electrochemical Interfaces. Anal Chem 2018; 90:10935-10942. [DOI: 10.1021/acs.analchem.8b02440] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Pei Su
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | | | - Grant E. Johnson
- Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352, United States
| | - Julia Laskin
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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